78709371520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:715

約数の個数: 256

約数和(自身を含む): 205734816000

約数和(自身を除く): 127025444480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 137, 160, 199, 208, 260, 274, 320, 347, 398, 416, 520, 548, 640, 685, 694, 796, 832, 995, 1040, 1096, 1370, 1388, 1592, 1664, 1735, 1781, 1990, 2080, 2192, 2587, 2740, 2776, 3184, 3470, 3562, 3980, 4160, 4384, 4511, 5174, 5480, 5552, 6368, 6940, 7124, 7960, 8320, 8768, 8905, 9022, 10348, 10960, 11104, 12736, 12935, 13880, 14248, 15920, 17536, 17810, 18044, 20696, 21920, 22208, 22555, 25472, 25870, 27263, 27760, 28496, 31840, 35620, 36088, 41392, 43840, 44416, 45110, 47539, 51740, 54526, 55520, 56992, 63680, 69053, 71240, 72176, 82784, 87680, 90220, 95078, 103480, 109052, 111040, 113984, 127360, 136315, 138106, 142480, 144352, 165568, 180440, 190156, 206960, 218104, 222080, 227968, 237695, 272630, 276212, 284960, 288704, 331136, 345265, 354419, 360880, 380312, 413920, 436208, 475390, 545260, 552424, 569920, 577408, 618007, 690530, 708838, 721760, 760624, 827840, 872416, 897689, 950780, 1090520, 1104848, 1139840, 1236014, 1381060, 1417676, 1443520, 1521248, 1655680, 1744832, 1772095, 1795378, 1901560, 2181040, 2209696, 2472028, 2762120, 2835352, 2887040, 3042496, 3090035, 3489664, 3544190, 3590756, 3803120, 4362080, 4419392, 4488445, 4944056, 5524240, 5670704, 6084992, 6180070, 7088380, 7181512, 7606240, 8724160, 8838784, 8976890, 9460261, 9888112, 11048480, 11341408, 12360140, 14176760, 14363024, 15212480, 17448320, 17953780, 18920522, 19776224, 22096960, 22682816, 24720280, 28353520, 28726048, 30424960, 35907560, 37841044, 39552448, 44193920, 45365632, 47301305, 49440560, 56707040, 57452096, 71815120, 75682088, 79104896, 94602610, 98881120, 113414080, 114904192, 122983393, 143630240, 151364176, 189205220, 197762240, 226828160, 245966786, 287260480, 302728352, 378410440, 395524480, 491933572, 574520960, 605456704, 614916965, 756820880, 983867144, 1210913408, 1229833930, 1513641760, 1967734288, 2459667860, 3027283520, 3935468576, 4919335720, 6054567040, 7870937152, 9838671440, 15741874304, 19677342880, 39354685760, 78709371520]

約数ペア:

[(1, 78709371520), (2, 39354685760), (4, 19677342880), (5, 15741874304), (8, 9838671440), (10, 7870937152), (13, 6054567040), (16, 4919335720), (20, 3935468576), (26, 3027283520), (32, 2459667860), (40, 1967734288), (52, 1513641760), (64, 1229833930), (65, 1210913408), (80, 983867144), (104, 756820880), (128, 614916965), (130, 605456704), (137, 574520960), (160, 491933572), (199, 395524480), (208, 378410440), (260, 302728352), (274, 287260480), (320, 245966786), (347, 226828160), (398, 197762240), (416, 189205220), (520, 151364176), (548, 143630240), (640, 122983393), (685, 114904192), (694, 113414080), (796, 98881120), (832, 94602610), (995, 79104896), (1040, 75682088), (1096, 71815120), (1370, 57452096), (1388, 56707040), (1592, 49440560), (1664, 47301305), (1735, 45365632), (1781, 44193920), (1990, 39552448), (2080, 37841044), (2192, 35907560), (2587, 30424960), (2740, 28726048), (2776, 28353520), (3184, 24720280), (3470, 22682816), (3562, 22096960), (3980, 19776224), (4160, 18920522), (4384, 17953780), (4511, 17448320), (5174, 15212480), (5480, 14363024), (5552, 14176760), (6368, 12360140), (6940, 11341408), (7124, 11048480), (7960, 9888112), (8320, 9460261), (8768, 8976890), (8905, 8838784), (9022, 8724160), (10348, 7606240), (10960, 7181512), (11104, 7088380), (12736, 6180070), (12935, 6084992), (13880, 5670704), (14248, 5524240), (15920, 4944056), (17536, 4488445), (17810, 4419392), (18044, 4362080), (20696, 3803120), (21920, 3590756), (22208, 3544190), (22555, 3489664), (25472, 3090035), (25870, 3042496), (27263, 2887040), (27760, 2835352), (28496, 2762120), (31840, 2472028), (35620, 2209696), (36088, 2181040), (41392, 1901560), (43840, 1795378), (44416, 1772095), (45110, 1744832), (47539, 1655680), (51740, 1521248), (54526, 1443520), (55520, 1417676), (56992, 1381060), (63680, 1236014), (69053, 1139840), (71240, 1104848), (72176, 1090520), (82784, 950780), (87680, 897689), (90220, 872416), (95078, 827840), (103480, 760624), (109052, 721760), (111040, 708838), (113984, 690530), (127360, 618007), (136315, 577408), (138106, 569920), (142480, 552424), (144352, 545260), (165568, 475390), (180440, 436208), (190156, 413920), (206960, 380312), (218104, 360880), (222080, 354419), (227968, 345265), (237695, 331136), (272630, 288704), (276212, 284960)]